1: (4 9 20)

(0 19 8)(1 17 6)(2 9 3 20 5)(4)(7 12 10)(11 15 13)(14 18 16)

2: (2 9 5)

(0 19 8)(1 17 6)(2)(3 20 5)(4)(7 12 10)(9)(11 15 13)(14 18 16)

3: (0 19 8)

(0)(1 17 6)(2)(3 20 5)(4)(7 12 10)(8)(9)(11 15 13)(14 18 16)(19)

4: (1 17 6)

(0)(1)(2)(3 20 5)(4)(6)(7 12 10)(8)(9)(11 15 13)(14 18 16)(17)(19)